Patents by Inventor Setsuo Inada

Setsuo Inada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water-absorbent resin and process for producing the same
    Patent number: 4771105
    Abstract: A water-absorbent resin of polyacrylic acid series characterized in that the resin has the crosslinked surface formed by reacting a powdery water-absorbent resin of polyacrylic acid series with an aluminum compound which can react with the powdery resin in the presence of polyhydric alcohol and water.
    Type: Grant
    Filed: February 4, 1987
    Date of Patent: September 13, 1988
    Assignee: Sekisui Kaseihin Kogyo Kabushiki Kaisha
    Inventors: Hideharu Shirai, Fumito Yamai, Setsuo Inada, Hisashi Ike, Yoshifumi Nakahara